ACE24C16A Datasheet PDF - ACE Technology


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ACE24C16A
ACE Technology

Part Number ACE24C16A
Description Two-wire Serial EEPROM
Page 15 Pages

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ACE24C16A                                                                                                                                                                 
                                              Technology
Two-wire Serial EEPROM
Description
The ACE24C16A provides low operation voltage of 16384 bits of serial electrically erasable and programmable
read-only memory (EEPROM) organized as 2048 words of 8 bits each. The device is optimized for use in many
industrial and commercial applications where low-power and low-voltage operations are essential.
Features
z Low Operation Voltage: Vcc=1.7V to 5.5V
z Internally Organized: 2048x8
z Two-wire Serial Interface
z Schmitt Trigger, Filtered Inputs for Noise Suppression
z Bi-directional Data Transfer Protocol
z 1MHz(2.5V~5.5V) and 400kHz(1.7V) Compatibility
z Write Protect Pin for Hardware Data Protection
z 16-byte Page Write Modes
z Partial Page Writes are Allowed
z Self-timed Write Cycle (5 ms max)
z High-reliability - Endurance: 1,000,000 Write Cycles
- Data Retention: 100 Years
Absolute Maximum Ratings
Operating Temperature
Storage Temperature
-55to +125
-65to +150
Voltage on Any Pin with Respect to Ground -1.0V to +7.0V
Maximum Operating Voltage
6.25V
DC Output Current
5.0 mA
*Notice: Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a
stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operational
sections of this specification are not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
VER 1.2 1 



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ACE24C16A                                                                                                                                                                 
                                              Technology
Two-wire Serial EEPROM
Packaging Type
Pin Configurations
Pin Name
Function
A0~A2 Device Address Inputs
SDA Serial Data Input / Output
SCL
Serial Clock Input
WP Write Protect
VCC
Power Supply
GND
Ground
Block Diagram
Figure 1
VER 1.2 2



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ACE24C16A                                                                                                                                                                 
                                              Technology
Two-wire Serial EEPROM
Ordering Information
Selection Guide
ACE24C16A XX + X H
Halogen - free
U : Tube
T : Tape and Reel
Pb - free
DP : PDIP-8
FM : SOP-8
TM : TSSOP-8
Pin Description
Serial Clock (SCL):
The SCL input is used to positive edge clock data into each EEPROM device and negative edge clock
data out of each device.
Serial Data (SDA):
The SDA pin is bi-directional for serial data transfer. This pin is open-drain driven and may be
wire-ORed with any number of other open-drain or open-collector devices.
Device/Page Addresses
The ACE24C16A does not use the device address pins, which limits the number of devices on a
single bus to one.
Write Protect (WP):
The ACE24C16A has a Write Protect pin that provides hardware data protection. The Write Protect pin allows
normal read/write operations when connected to ground (GND). When the Write Protect pin is conceded to Vcc
the write protection feature is enabled.
Write Protect Description
WP Pin Status
WP=VCC
WP=GND
Part of the Array Protected
ACE24C16A
Full (4K) Array
Normal Read / Write Operations
Memory Organization
ACE24C16A, 16K SERIAL EEPROM:
Internally organized with 128 pages of 16 bytes each, the 16K requires an 11-bit data word
address for random word addressing.
VER 1.2 3



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ACE24C16A                                                                                                                                                                 
                                              Technology
Two-wire Serial EEPROM
Pin Capacitance
Applicable over recommended operating range from: TA = 25, f = 1.0 MHz, VCC = +1.7V.
Symbol
Test Condition
Max
CI/
1
O
CIN1
Input / Output Capacitance (SDA)
Input Capacitance (SCL)
8
6
Note: This parameter is characterized and is not 100% tested.
Units
pF
pF
Conditions
VI/O = 0V
VIN = 0V
DC Characteristics
Applicable over recommended operating range from: TA = -40to +85, Vcc= +1.7V to +5.5V (unless otherwise noted).
Symbol
Parameter
Test Condition
Min Typ Max Units
VCC Supply Voltage
1.7 5.5 V
ICC1 Supply Current
VCC = 5.5V, Read at 400K
0.4 1.0 mA
ICC2 Supply Current
VCC = 5.5V, Write at 400K
2.0 3.0 mA
ISB1 Standby Current
VCC = 1.7V, VIN = VCC/ VSS
1.0 µA
ISB2 Standby Current
VCC = 5.5V, VIN = VCC/ VSS
6.0 µA
ILI Input Leakage Current
VIN = VCC/VSS
0.10 3.0 µA
ILO
Output Leakage Current
VOUT = VCC/ VSS
VIL1 Input Low Level
VIH1 Input High Level
VOL2
Output Low Level 2
VCC = 3.0V, IOL = 2.1 mA
VOL1
Output Low Level 1
VCC = 1.7V, IOL = 0.15 mA
Note: 1. VIL min and VIH max are reference only and are not tested.
-0.6
VCCx0.7
0.05
3.0
VCCx0.3
VCC+0.5
0.4
0.2
µA
V
V
V
V
VER 1.2 4




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